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/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $FreeBSD$
*
*/
/*
* FORE Systems 200-Series Adapter Support
* ---------------------------------------
*
* Host protocol control blocks
*
*/
#ifndef _FORE_VAR_H
#define _FORE_VAR_H
/*
* Device VCC Entry
*
* Contains the common and Fore-specific information for each VCC
* which is opened through a Fore device.
*/
struct fore_vcc {
struct cmn_vcc fv_cmn; /* Common VCC stuff */
Fore_aal fv_aal; /* CP version of AAL */
};
typedef struct fore_vcc Fore_vcc;
#define fv_next fv_cmn.cv_next
#define fv_toku fv_cmn.cv_toku
#define fv_upper fv_cmn.cv_upper
#define fv_connvc fv_cmn.cv_connvc
#define fv_state fv_cmn.cv_state
#define fv_flags fv_cmn.cv_flags
/*
* VCC Flags
*/
#define FVF_ACTCMD 0x01 /* Activate command issued */
/*
* Host Transmit Queue Element
*
* Defines the host's view of the CP PDU Transmit Queue
*/
struct h_xmit_queue {
struct h_xmit_queue *hxq_next; /* Next element in queue */
Xmit_queue *hxq_cpelem; /* CP queue element */
Q_status *hxq_status; /* Element status word */
Xmit_descr *hxq_descr; /* Element's transmit descriptor */
Xmit_descr *hxq_descr_dma; /* Element's transmit descriptor */
Fore_vcc *hxq_vcc; /* Data's VCC */
KBuffer *hxq_buf; /* Data's buffer chain head */
H_dma hxq_dma[XMIT_MAX_SEGS]; /* DMA addresses for segments */
};
typedef struct h_xmit_queue H_xmit_queue;
/*
* Host Receive Queue Element
*
* Defines the host's view of the CP PDU Receive Queue
*/
struct h_recv_queue {
struct h_recv_queue *hrq_next; /* Next element in queue */
Recv_queue *hrq_cpelem; /* CP queue element */
Q_status *hrq_status; /* Element status word */
Recv_descr *hrq_descr; /* Element's receive descriptor */
Recv_descr *hrq_descr_dma; /* Element's receive descriptor */
};
typedef struct h_recv_queue H_recv_queue;
/*
* Host Buffer Supply Queue Element
*
* Defines the host's view of the CP Buffer Supply Queue
*/
struct h_buf_queue {
struct h_buf_queue *hbq_next; /* Next element in queue */
Buf_queue *hbq_cpelem; /* CP queue element */
Q_status *hbq_status; /* Element status word */
Buf_descr *hbq_descr; /* Element's buffer descriptor array */
Buf_descr *hbq_descr_dma; /* Element's buffer descriptor array */
};
typedef struct h_buf_queue H_buf_queue;
/*
* Host Command Queue Element
*
* Defines the host's view of the CP Command Queue
*/
struct h_cmd_queue {
struct h_cmd_queue *hcq_next; /* Next element in queue */
Cmd_queue *hcq_cpelem; /* CP queue element */
Q_status *hcq_status; /* Element status word */
Cmd_code hcq_code; /* Command code */
void *hcq_arg; /* Command-specific argument */
};
typedef struct h_cmd_queue H_cmd_queue;
/*
* Host Buffer Handle
*
* For each buffer supplied to the CP, there will be one of these structures
* embedded into the non-data portion of the buffer. This will allow us to
* track which buffers are currently "controlled" by the CP. The address of
* this structure will supplied to/returned from the CP as the buffer handle.
*/
struct buf_handle {
Qelem_t bh_qelem; /* Queuing element */
u_int bh_type; /* Buffer type (see below) */
H_dma bh_dma; /* Buffer DMA address */
};
typedef struct buf_handle Buf_handle;
#define SIZEOF_Buf_handle 16
/*
* Buffer Types
*/
#define BHT_S1_SMALL 1 /* Buffer strategy 1, small */
#define BHT_S1_LARGE 2 /* Buffer strategy 1, large */
#define BHT_S2_SMALL 3 /* Buffer strategy 2, small */
#define BHT_S2_LARGE 4 /* Buffer strategy 2, large */
/*
* Device Unit Structure
*
* Contains all the information for a single device (adapter).
*/
struct fore_unit {
Cmn_unit fu_cmn; /* Common unit stuff */
Fore_reg *fu_ctlreg; /* Device control register */
Fore_reg *fu_imask; /* Interrupt mask register */
Fore_reg *fu_psr; /* PCI specific register */
#ifdef COMPAT_OLDPCI
pcici_t fu_pcitag; /* PCI tag */
#endif
Fore_mem *fu_ram; /* Device RAM */
u_int fu_ramsize; /* Size of device RAM */
Mon960 *fu_mon; /* Monitor program interface */
Aali *fu_aali; /* Microcode program interface */
u_int fu_timer; /* Watchdog timer value */
/* Transmit Queue */
H_xmit_queue fu_xmit_q[XMIT_QUELEN]; /* Host queue */
H_xmit_queue *fu_xmit_head; /* Queue head */
H_xmit_queue *fu_xmit_tail; /* Queue tail */
Q_status *fu_xmit_stat; /* Status array (host) */
Q_status *fu_xmit_statd; /* Status array (DMA) */
/* Receive Queue */
H_recv_queue fu_recv_q[RECV_QUELEN]; /* Host queue */
H_recv_queue *fu_recv_head; /* Queue head */
Q_status *fu_recv_stat; /* Status array (host) */
Q_status *fu_recv_statd; /* Status array (DMA) */
Recv_descr *fu_recv_desc; /* Descriptor array (host) */
Recv_descr *fu_recv_descd; /* Descriptor array (DMA) */
/* Buffer Supply Queue - Strategy 1 Small */
H_buf_queue fu_buf1s_q[BUF1_SM_QUELEN]; /* Host queue */
H_buf_queue *fu_buf1s_head; /* Queue head */
H_buf_queue *fu_buf1s_tail; /* Queue tail */
Q_status *fu_buf1s_stat; /* Status array (host) */
Q_status *fu_buf1s_statd;/* Status array (DMA) */
Buf_descr *fu_buf1s_desc; /* Descriptor array (host) */
Buf_descr *fu_buf1s_descd;/* Descriptor array (DMA) */
Queue_t fu_buf1s_bq; /* Queue of supplied buffers */
u_int fu_buf1s_cnt; /* Count of supplied buffers */
/* Buffer Supply Queue - Strategy 1 Large */
H_buf_queue fu_buf1l_q[BUF1_LG_QUELEN]; /* Host queue */
H_buf_queue *fu_buf1l_head; /* Queue head */
H_buf_queue *fu_buf1l_tail; /* Queue tail */
Q_status *fu_buf1l_stat; /* Status array (host) */
Q_status *fu_buf1l_statd;/* Status array (DMA) */
Buf_descr *fu_buf1l_desc; /* Descriptor array (host) */
Buf_descr *fu_buf1l_descd;/* Descriptor array (DMA) */
Queue_t fu_buf1l_bq; /* Queue of supplied buffers */
u_int fu_buf1l_cnt; /* Count of supplied buffers */
/* Command Queue */
H_cmd_queue fu_cmd_q[CMD_QUELEN]; /* Host queue */
H_cmd_queue *fu_cmd_head; /* Queue head */
H_cmd_queue *fu_cmd_tail; /* Queue tail */
Q_status *fu_cmd_stat; /* Status array (host) */
Q_status *fu_cmd_statd; /* Status array (DMA) */
Fore_stats *fu_stats; /* Device statistics buffer */
Fore_stats *fu_statsd; /* Device statistics buffer (DMA) */
time_t fu_stats_time; /* Last stats request timestamp */
int fu_stats_ret; /* Stats request return code */
Fore_prom *fu_prom; /* Device PROM buffer */
Fore_prom *fu_promd; /* Device PROM buffer (DMA) */
struct callout_handle fu_thandle; /* Timer handle */
int fu_ft4; /* Running ForeThought 4 firmware */
};
typedef struct fore_unit Fore_unit;
#define fu_pif fu_cmn.cu_pif
#define fu_unit fu_cmn.cu_unit
#define fu_flags fu_cmn.cu_flags
#define fu_mtu fu_cmn.cu_mtu
#define fu_open_vcc fu_cmn.cu_open_vcc
#define fu_vcc fu_cmn.cu_vcc
#define fu_intrpri fu_cmn.cu_intrpri
#define fu_savepri fu_cmn.cu_savepri
#define fu_vcc_zone fu_cmn.cu_vcc_zone
#define fu_nif_zone fu_cmn.cu_nif_zone
#define fu_ioctl fu_cmn.cu_ioctl
#define fu_instvcc fu_cmn.cu_instvcc
#define fu_openvcc fu_cmn.cu_openvcc
#define fu_closevcc fu_cmn.cu_closevcc
#define fu_output fu_cmn.cu_output
#define fu_config fu_cmn.cu_config
#define fu_softc fu_cmn.cu_softc
/*
* Device flags (in addition to CUF_* flags)
*/
#define FUF_STATCMD 0x80 /* Statistics request in progress */
/*
* Macros to access CP memory
*/
#define CP_READ(x) ntohl((u_long)(x))
#define CP_WRITE(x) htonl((u_long)(x))
#endif /* _FORE_VAR_H */
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